<div class="text-center animated fadeInRightBig clearfix">
  <div class="col-xs-8 col-xs-offset-2">
    <% if @attachment.present? %>
      <%= image_tag @attachment.image, class: "img-responsive", width: "100%" %>
    <% else %>
      <div class="text-danger">还未上传展示图</div>
    <% end %>
  </div>
</div>